The World Record Of Fastest To Do Mathematical Additions Orally Is Achieved By Kridha Wadhwani On 12 January 2022 In Indore, Madhya Pradesh, India. She (Born 11 JULY,2017) Did A Total Of 48 Additions Orally In 4 Minutes 24 Seconds At The Age Of 4 Years 6 Months And Has Set A Record For The Worldwide Book Of Records.